64 Audio Aspire 4 | Hybrid Dynamic + BA Universal IEMs

Bring the On Stage Experience Home With 64 Audio Aspire 4 Four-driver hybrid IEM tuned to provide the clarity and detail artists need for the stage combined with the musicality and engagement listeners crave Simplified shell offers an easy lightweight fit Apex Core provides pressure release for great bass response and long listening sessions Waveguide technology delivers perfectly balanced treble with all the detail and extension and a non-fatiguing sound Bloom's Take Most Audiophiles agree that getting an all-arounder IEM that satisfies all of your personal tastes and needs is like hitting the jackpot - it’s a rare occasion. 64 Audio’s Aspire 4 took aim at delivering an IEM with a special focus on the musician. We here at Bloom found the result to be a musician/gamer/audiophile’s delight and a great introduction to the 64 Audio lineup. Aspire 4 offers substantial bass, forward mids, and plenty of top end that combine for an accurate, versatile sound. It uses 4 drivers with a 3-way crossover, and uses Apex technology integrated into the body, providing a smooth and open listening experience. The package is pretty standard for 64 Audio with a slight pull-back in “premium-ness” with the case and cable, most likely to keep the IEM at its attractive $900 price tag. Bloom Audio employs some fairly diverse, eclectic and talented individuals with on-stage, competitive gaming and of course, true audiophile experience. The crew found the Aspire 4 to be a “does-it-all” IEM that does its job really well for under a grand. Read our full review here. Not sure which 64 Audio IEM is the right fit for you? Check out our 2024 Buyer's Guide for 64 Audio here! Performance Monitoring for Artists, Engaging Listening for Fans Monitor your performance with 64 Audio's professional UIEMs specifically designed for musicians and live music professionals. Whether you're just getting into monitoring with in-ears, not ready for customs, need a backup set, or simply prefer generic fitting products, Aspire 4 offers best-in-class sound and ergonomics. Aspire 4 is a performance monitoring tool with the same sonic characteristics and technology worn by the world's greatest performing artists. The new form factor prioritizes ergonomics without sacrificing performance. Aspire was designed and engineered by the same innovative team responsible for developing the industry defining audio gear for which 64 Audio is known. World Class Sound With live music at the forefront of 64 Audio's tuning criteria, should they focus on creating a highly accurate, unforgiving studio monitor or a contoured device that assists musicians with hearing themselves more effectively? As with many of 64 Audio's monitoring tools, the answer is somewhere in the middle. Huge bass that can reproduce some of the toughest frequencies in the audible spectrum with quick ease, forward mids that are precisely elevated for articulation in the most vital region of instruments and voices, and plenty of top end sparkle really separate Aspire 4 from any other UIEM in its class, making this powerful sound signature a perfect blend of accuracy and musicality. Apex Core 64 Audio's patented technology is seamlessly integrated into the body of the earphone. The pressure relieving channel provides controlled venting via acoustic filters. Aspire 4 users get the benefits of 64 Audio's flagship technology with -20dB of isolation combined with ear saving venting. Waveguide Custom designed acoustic structure integrated onto the high-frequency balanced armature increases the driver's efficiency by directing and focusing its energy for a crisp and clear sound. Waveguide offers a taste of 64 Audio's flagship tia technology in a more accessible package. Specifications Transducer Configuration (x1) Dynamic driver (Lows) (x2) Balanced Armature drivers (Mids) (x1) BA driver (Highs) Frequency Response: 20Hz – 18kHz Sensitivity: 104 dB/mW @ 1kHz @ 1mW (94mV) Impedance: 11Ω @1kHz Crossover: Integrated 3-way passive crossover Isolation: apex core -20dB Cable: 48" IPX Pro Cable 64 Audio 1 Year Warranty In the Box 64 Audio Aspire 4 IEMs 48" IPX Pro cable with 3.5mm termination 3.5mm to 6.3mm adapter 64 Audio Zipper case Silicone ear tips + Foam ear tips (S/M/L) Cleaning tool